Handbook of practical botany for the botanical laboratory and private student (1908)
Strasburger, Eduard, 1844-1912, Hillhouse, William, 1850-1910 · London, S. Sonnenschein; New York, Macmillan · leaf 422
fold is levelled out, and the grains become 1 + -->llii-.c^;/l . Vmi^ +V. Fig. lil.~ Tradescantia virginica. ^.pollen- aimost enipsoia , oni ine g^.^^^-^ ^^.^ ^ i„ ^^ter. C, young pollen-grainside which was furrowed in water, showing the reproductive and vegetative cells (x 540).IS more strongly… … 386 XXVIII. THE ANDROECIUM OF ANGIOSPERMS. two brighter hoEQOgeneous-looking spots (B). These are thetwo nuclei, of which the one (vegetative) is elliptic, the other(reproductive) is elongated and bent, and almost fills the re-productive cell. The other contents of the pollen-grains arepretty…
Botany · Plant physiology · Microscopy
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